Hi Brian,
I have a late 2015 iMac and want to buy bigger RAM for it. currently it has 2 x 4gb RAM and 2 x 8gb RAM all are Apple brand. I read your post about what RAM you suggest and just want to make sure your suggested RAM will be good for my machine.
other specs of my machine are 560gb free space on 1TB hard drive, AMD Radeon R9 M380 2GB graphics, 3.2 GHz Quad-Core Intel Core i5 processor, iMac Retina 27” late 2015. OS is Catalina 10.15.7. I only run photoshop 2019 as I’ve read a lot of people have had dramas with the newer versions and don’t want to upgrade just yet but will once I have (if I can that is) upgrade the RAM
any advice would be greatly appreciated 🙂